电力电缆、控制电缆、仪表信号线设计标准规范.pdf

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1、InvitationforBids–PartIIDesignStandards16.24CABLES16.24.1Powercablesa.Cablesabove3.3KVsingleconductorcross-linkedP.E.powercableAMPACITYCABLEINSULATIONJACKETOUTSIDECONDUCTORSHIELDGEOMETRICAL40℃25℃RATINGTHICKNESSTHICKNESSDIAMETERSIZEmm2CROSSSEC.AREAmm2INAIRINSOILKVmmmm

2、mmS=2DS=2D33185258.02.541520A374A185254.52.036519A370A11240254.52.239607A423A50162.51.822.5234A185A3.3120162.52.028407A300A240252.62.034.5605A419ARemark:1.Theampacityissetattheuppertemperatureof75℃.2.Ifthetemperatureslistedabovemustbechanged,thelistedampacitiesmustbemultipliedbysquarerootofT'/T,whe

3、reT=75-40(or25insoil)inair,T'isthetemperaturedifferenceintended.16-52InvitationforBids–PartIIDesignStandardsb.Cablebelow600V90℃PVCcables(1)Singlecorecable90℃PVC600V1/CpowercableCONDUCTORAMPACITYINSULATIONINSULATIONAPPROX.TESTRESISTANCEINAIR40℃INDUCTBANKSIZECOMPOS.DIAMETERTHICKNESSCABLEVOLTAGEAT20℃3

4、CABLE25℃6CABLEINmm2NO/mmmmmmmm1MINVMΩ-KMS=2D6CONDUIT387/2.67.83.314.515025001651506019/2.010.03.317.0150250022519510019/2.613.03.520.0100250031526015037/2.316.13.824.090300041033020037/2.618.24.127.090300048037525061/2.320.74.230.080300056043035061/2.623.44.533.0803500650490Remark:theampacityisseta

5、tthehighesttemperatureof75℃(2)Twocorecable90℃PVC600V2/CpowercableCONDUCTORAMPACITYINSUL-JACKETINSULATIONATIONAPPROX.TESTDIAM-THICK-CABLERESISTANCEVOLTAGEINAIRINDUCTBANKSIZECOMPOS.THICK-ETERNESSAT20℃1MINV40℃25℃4CABLEmm2NO/mmNESSmmmmmmMΩ-KM1CABLEIN4CONDUITmm27/0.61.80.81.510.0150200025243.57/0.82.40.

6、81.511.0120200035335.57/1.03.01.01.513.01202000454287/1.23.61.21.515.012020005551147/1.64.81.41.518.5100200081712219/1.226.11.61.622.5100200010592Remark:theampacityissetatthehighesttemperatureof75℃16-53InvitationforBids–PartIIDesignStandards(3)Threecorecable90℃PVC600V3/CpowercableCONDUCTORAMPACITYI

7、NSUL-JACKETINSULATIONATIONAPPROX.TESTDIAM-THICK-RESISTANCEINAIRINDUCTBANKSIZECOMPOS.THICK-CABLEVOLTAGEETERNESSmmAT20℃1MINV40℃25℃4CABLEmm2NO/mmNESSmmmmMΩ-KM1CABLEIN4CONDUITmm27/0.61.80.81.510.5150200021203.5